package cn.tedu.boot01.controller;

import cn.tedu.boot01.entity.Emp;
import cn.tedu.boot01.mapper.EmpMapper;
import org.apache.ibatis.annotations.Update;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@RestController
public class EmpController {
    @Autowired
    EmpMapper mapper;

    @RequestMapping("/insert")
    public String insert(Emp emp) {
        mapper.insert(emp);
        return "添加完成!<a href='/'>返回首页</a>";
    }

    @RequestMapping("/select")
    public String select() {
        List<Emp> list = mapper.select();
        //把list集合中的数据装进表格标签
        String html = "<table border='1'>";
        html += "<caption>员工列表</caption>";
        html += "<tr><th>id</th><th>姓名</th><th>工资</th><th>工作</th><th>操作</th></tr>";
        for (Emp e : list) {
            html += "<tr>";
            html += "<td>" + e.getId() + "</td>";
            html += "<td>" + e.getName() + "</td>";
            html += "<td>" + e.getSalary() + "</td>";
            html += "<td>" + e.getJob() + "</td>";
            html += "<td><a href='/delete?id=" + e.getId() + "'>删除</a></td>";
            html += "</tr>";
        }
        html += "</table>";
        return html;
    }

    @RequestMapping("/delete")
    public String delete(int id) {
        mapper.delete(id);
        return "删除完成!<a href='/select'>返回员工列表</a>";
    }

    @RequestMapping("/update")
    public String update(Emp emp) {
        mapper.update(emp);
        return "修改完成!<a href='/select'>返回员工列表</a>";
    }
}
